●100 pcs 608-2rs ball bearing 8x22x7mm, rubber sealed deep groove. ●608-rs Deep Groove Bearings for Furniture wheel,Skateboards, Inline Skates, Scooters, Roller Blade Skates ●This 608rs bearing Shields on both sides keeping lubricant in and contaminants out. ●Material: Carbon steel, durability and resistance to deformity under heavy loads. ●Single-row bearing for supporting radial loads